Car-heater



(No Model.)

1). OONNELL.

GAR HEATER.

No.5379,10-1. Patented Mar. 6, 1888...

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UNITED STATES PATENT OFFICE;

DAVID GONNELL, OF WILMINGTON, DELAWARE.

CAR-HEATER.

SPECIFICATION forming part of Letters Patent No. 379,101, dated March 6,1888.

Application filed March 14,1887. Serial No. 230,750. (No model.)

To all whom it may concern:

Be it known that 1, DAVID CONNELL, a citizen of the United States,residing in Wilmington, Delaware, have invented certain Improvements inOar-Heaters, of which the following is a specification.

My invention consists of a railroad-ear heater designed to permit theheating of the car either.

by steam derived from a sourceoutside of the car or by direct radiationfrom a stove Within the car, the latter being protected from injury incase of accident.

In the accompanying drawings, Figure 1 is a front view ofa car'heaterconstructed in accordance with my invention; Fig. 2, a longitudinalsection of the same; Fig. 3, asectional plan view on the line 1 2, Fig.2; and Figs. 4 and 5, respectively, a perspective view and a section ofthe device for fastening the doors of the combustion-chamber and ash-pit0f the stove.

Theuseof coal-stoves as a means of heating railway-cars is deservedlyregarded with disfavor on account of the almost inevitable ignition ofthe wreck when a car containing such a stove meets with an accidentwhereby the end containing the stove is smashed or the car isoverturned.

Radiators using steam orhot water have been proposed as substitutes forthe stove; but the use of a radiator alone is attended with certainobjections which have deterred railroad managers from adopting it as aheating device. I therefore in my heater combine both the stove and theradiator, the latter being supplied with steam from a source outside ofthe car-from the locomotive,-for instanceand the stove being surroundedand protected by the radiator.

As shown in the drawings, A represents the casing of the stove, which inthe present instance is cylindrical aud is made of strong sheet metal,with flanged heads at opposite ends of the cylinder, so as to possessconsiderable inherent strength, the cylinder being provided withprojecting casings Band D, which serve to afford communicationrespectively with the combustion-chamber and ash-pit of the stove andare provided with suitable doors at their outer ends.

The ring a,which supports the fire-pot lining b of the stove, hasinwardly-projecting lugs d,

which engage with a flange at the upper end of the grate F, the latterbeing in the form of a basket projecting down into the ash-pit, andslotted so as to provide for the poking or agitation of the fire by asuitable implement.

Surrounding and inclosing the stove is a radiator structure, whichconsists of circulatingpipesf, secured to a hollow base, G, which ismounted upon a slotted casing, H, the latter resting upon the base-plateI on the floor ofthe car.

The radiator structure and the stove are firmly confined between thisbase-plate I and a top plate, J, by means of bolts 9, provided withsuitable nuts, whereby the top and base plates are confined together,and other bolts,h, pass from the top plate down through the base plateand through the frame-work of the carbottom, so as to securely retainthe heating structure in its proper position in the car.

In the event of a collision the strong radiator structure surroundingthe stove-casing and extending down to the bottom of the firepot servesas a shield or guard for the stove and prevent-s it from being smashed,so that even if the stove contains a fire there is small likelihood ofthe hot coals escaping therefrom,

In order to prevent the coals from escaping in the event of theoverturning of the car, I provide a valve, 1 for closing the mouth ofthe pipe k, through which the products of combustion escape when thestove is in operation,this valve being of any material possessing suflicient strength and having the property of re sisting the action of theheat.

In the present instance the valve is in the form of a ball, and thelower end of the pipe is bell-mouthed to provide aseat for the same, thevalve under ordinary circumstances being contained in acage, 1',depending from the top of the stove. To prevent the escape of hot coalsor ashes through the feed or ash-pitcasings D, the catches which retainthe doors of the latter are perforated for the reception of aretaining-hook, m, as shown in Figs. 4 and 5, so that the accidentalopening of either of the doors is practically impossible.

The ash-pit casing D is perforated, as shown in Fig. 2, in order tosupply to the ash-pit sufficient air to support combustion, the openingsnot being large enough, however, to permit the escape of particles offuel of such size as to be dangerous.

I am aware that water-heaters for cars have been combined with stoves,and that the waterehamber has been constructed to envelop a portion ofthe stove-casing, but such devices lack the strength of thetube-radiator structure, and do not completely iuelose the stove.Moreover, the stove is the sole source of heat, so that fire must bemaintained constantly in the same, thus defeating the main objectof myinvention.

I therefore claim as my inventiou 1. The combination, in a railroad-carheater, of a stove having grate, fire-pot, and ash-pit, and a casinghaving air-inlets to said fire-pot and ash-pit and an outlet for theproducts of combustion, and a tube-radiator structure independeutof thestoveand having connections 2o with an outside generator, said structurein to this specification in the presence of two sub- 35 scribingwitnesses.

DAVID OONNELL. \Vitnesses:

WILLIAM: D. CONNER, HENRY HoWsoN.

